package com.heima.wemedia.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.common.exception.CustException;
import com.heima.model.common.constants.AdminConstants;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.wemedia.dtos.WmUserDto;
import com.heima.model.wemedia.pojos.WmUser;
import com.heima.utils.common.AppJwtUtil;
import com.heima.wemedia.mapper.WmUserMapper;
import com.heima.wemedia.service.WmUserService;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service
public class WmUserServiceImpl extends ServiceImpl<WmUserMapper, WmUser> implements WmUserService {
    /**
     * 登录
     *
     * @param dto
     * @return
     */
    @Override
    public ResponseResult login(WmUserDto dto) {
        if(StringUtils.isEmpty(dto.getName()) || StringUtils.isEmpty(dto.getPassword())){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID,"用户名或密码错误");
        }
        //查询自媒体用户
        List<WmUser> resultList=list(
                Wrappers.<WmUser>lambdaQuery()
                .eq(WmUser::getName,dto.getName())
                .eq(WmUser::getStatus, AdminConstants.AD_USER_ISTAYUS.intValue())
        );
        if (resultList==null || resultList.size()==0){
            CustException.cust(AppHttpCodeEnum.DATA_NOT_EXIST);
        }
        //密码匹配
        WmUser wmUser = resultList.get(0);
        String pswd = DigestUtils.md5DigestAsHex((dto.getPassword() + wmUser.getSalt()).getBytes());
        if (!wmUser.getPassword().equals(pswd)){
            CustException.cust(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
        }

        //TODO 更新自媒体用户登录时间

        //封装jwt
        Map<String, Object> map = new HashMap();
        map.put("token", AppJwtUtil.getToken(wmUser.getId().longValue()));
        wmUser.setPassword(null);
        wmUser.setSalt(null);
        map.put("user",wmUser);

        return ResponseResult.okResult(map);
    }
}
